One of our Forum Members has a .308 Win load that dips into the transonic speed range at 1000 yards. He is concerned that his bullets may lose accuracy as they slow to transonic speeds: “My target is at 1000 yards. How important to accuracy is it to keep the bullet supersonic (Mach 1.2) all the way to the target? How does slowing to transonic speeds in the last 100 yards or so affect accuracy?”
TargetShooter Magazine and AccurateShooter.com contributor Laurie Holland offers some practical answers to this important question, based on his his experience with .223 and .308-caliber bullets.
Thoughts on Accuracy and Transonic Bullet Speeds by Laurie Davidson.
There is no simple answer to the question “How do transonic speeds affect accuracy”. Some bullets manage OK, some not so well, some fail entirely, and I’ve never seen a guide as to which models do and which don’t. But we do have the ‘boat-tail angle rule’, anyway. Bryan Litz says the ideal boat-tail angle is 7-9°. Go much above 10° and it’s too steep for the air to follow the bullet sides around to the base. This seems to manifest itself as much increased drag and turbulence leading to instability in transonic flight.
It is this effect that has led to the common advice of “Don’t use 168gr 30-caliber bullets at 1000 yards”. That is misleading advice as it resulted from use of the 168gr Sierra ‘International’ (aka MatchKing) bullet with its 13-deg BT angle. (This was, originally, a specialized 300m design — there are various near copies on the market from Speer, Hornady and Nosler.) By contrast, Berger 168-grainers are designed as long-range bullets with 8.9, 8.5 and a really nice 7° angle on the BT, VLD and Hybrid respectively. Hornady A-Max 30-cal projectiles (other than the 208-grainer) fall into this enforced shorter-range bracket too thanks to their 12.6° (and greater) boat-tail angles. (155gr = 13.5°, 168gr = 12.87°, and 178gr = 12.6°.)
Even this boat-tail angle ‘rule’ doesn’t always seem to apply. Many older long-range Service Rifle shooters talk about good results at 1000 yards with some batches of 7.62mm match ammo in their 20″-barreled M14s using the 168gn SMK. I’ve successfully used Hornady and Sierra 168s at 1000 yards in 30-cal magnums which drive the bullets fast enough to keep out of trouble at this distance. This is still not recommended of course thanks to their low BCs compared to better long-range speciality bullets.
These four photos show the substantial changes in the shock ware and turbulence patterns for the same bullet at different velocities. The “M” stands for Mach and the numerical value represents the velocity of the bullet relative to the speed of sound at the time of the shot. Photos by Beat Kneubuehl.
Transonic Issues with .223 Rem in F-TR
I was much exercised by [concerns about transonic instability] in the early days of F-Class, when I was shooting a .223 Rem with 80-grainers at 2,800 fps MV or even a bit less. Even the optimistic G1 ballistic charts of the time said they’d be subsonic at 1000 yards. (Bryan Litz’s Point Mass Ballistic Solver 2.0′s program says 1,078 fps at 1000 yards at 2,800 fps MV in standard conditions for the SMK; below 1.2 MACH beyond a point somewhere around 780 yards.) In fact they shot fine in a large range of conditions apart from needing around 60% more windage allowance than 6.5mm projectiles [shot with a larger cartridge]. The biggest problem apart from my wind-reading skills was constantly getting out of the rhythm to call to have the target pulled as the pits crew didn’t hear the subsonic bullets and had trouble seeing their little holes.
In the early days of F-TR I used a 24″ barrel factory tactical rifle that was billed as F-TR ready — it wasn’t! The much touted 175gr Sierra MatchKing, as used in the US military M118LR sniper round, was allegedly good at 1000 yards at .308 velocities — but it wasn’t! It would group OK in [some calm] conditions, but any significant change would cause a much greater deflection on the target than the ballistic charts predicted, so transonic flight was obviously making it barely stable. I also suspect conditions on the day had a big effect as Litz’s program says [the 175gr SMK] is just subsonic at 2,650 fps MV at 1,000 in standard conditions. Throw in MV spread and there was a risk of some round remaining supersonic, while others went transonic. Plus warmer or colder air moving onto the range under some conditions might change things.
I used the combination on Scotland’s notorious Blair Atholl range at 1000 yards in one competition in a day of cold headwinds from the north and frequent rain squalls. The temperatures plummeted during the squalls (and the wind went mad too!) and what was an ‘interesting group pattern’ outside of squall conditions changed to seeing me do well to just stay on the target frame at all. On ranges other than Blair (which is electronic, so no pits crew), target markers reported they heard faint supersonic ‘crack’ and saw round holes on the paper, so the bullets appeared to remain stable and just supersonic in summer shooting conditions.
Transonic Problems with M118LR 7.62×51 Ammo
Confirmation of this transonic performance phenomenon has since come from USMC snipers who say the M118LR’s performance ‘falls off a cliff’ beyond 800m (875 yards), which is just what I found when shooting the bullet at slightly higher than M118LR muzzle velocities. A move to the 190gr SMK with Vihtavuori N550 keeping the MVs reasonable gave a vast improvement in 1000-yard performance.
Practical Advice — Use a Bullet That Stays Supersonic
The ‘easy’ / better answer to all this is to use a design such as the 30-caliber, 185gr Berger LRBT with a reputation for good long range performance and to load it to achieve or exceed 1,350 fps at 1000 yards. If I can get the combination I’m using to be predicted to hold 1,400 fps at this range in a G7-based program calculation, I’m happier still.
Incidentally, the old long-range, 30-cal Sierra bullets (the venerable 190gr, 200gr, and 220gr MatchKings), with their extra length boat-tail sections, have a superb reputation for stable transonic / subsonic flight. They were used by GB and British Commonwealth ‘Match Rifle’ shooters at 1000, 1100, and 1200 yards for many years before the current bunch of 210gr and up VLDs and Hybrids appeared.
Transonic vs. Supersonic
The term “Transonic” refers to velocities in the range of Mach 0.8 to 1.0, i.e. 600–768 mph. It is formally defined as the range of speeds between the critical Mach number, when some parts of the airflow are supersonic, and a higher speed, typically near Mach 1.2, when the vast majority of the airflow is supersonic. Instability can occur at transonic speeds. Shock waves move through the air at the speed of sound. When an aircraft goes transonic and approaches the speed of sound, these shock waves build up in front of it to form a single, very large shock wave. This is dramatically illustrated in this Space Shuttle photo.
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If you want to see how a muzzle brake really works, definitely watch this remarkable slow-motion video compiled by Proof Research.
This amazing video features a variety of firearms: suppressed 9mm pistol, .338 Norma rifle, .300 WinMag rifle, 12ga comp’d shotgun, plus an AR15 and AR10.
This Must-Watch Video Has Some Amazing Ultra-Slow-Motion Segments
Watch the ultra-slow motion segment at the 2:55 mark and you can actually see a .30-cal bullet spin its way through the muzzle brake, leaving trail of flame that blows out the ports. Interestingly, at the 3:10 mark, you can also see a bright “afterburn” ball of fire that forms a few inches ahead of the muzzle milliseconds after the bullet has left the barrel. Perhaps this is late ignition of unburned powder?
Here is a simple technique that can potentially help you load straighter ammo, with less run-out. It costs nothing and adds only a few seconds to the time needed to load a cartridge. Next time you’re loading ammo with a threaded (screw-in) seating die, try seating the bullet in two stages. Run the cartridge up in the seating die just enough to seat the bullet half way. Then lower the cartridge and rotate it 180° in the shell-holder. Now raise the cartridge up into the die again and finish seating the bullet.
Steve, aka “Short Range”, one of our Forum members, recently inquired about run-out apparently caused by his bullet-seating process. Steve’s 30BR cases were coming out of his neck-sizer with good concentricity, but the run-out nearly doubled after he seated the bullets. At the suggestion of other Forum members, Steve tried the process of rotating his cartridge while seating his bullet. Steve then measured run-out on his loaded rounds. To his surprise there was a noticeable reduction in run-out on the cases which had been rotated during seating. Steve explains: “For the rounds that I loaded yesterday, I seated the bullet half-way, and turned the round 180 degrees, and finished seating the bullet. That reduced the bullet runout by almost half on most rounds compared to the measurements from the first test.”
Steve recorded run-out measurements on his 30BR brass using both the conventional (one-pass) seating procedure, as well as the two-stage (with 180° rotation) method. Steve’s measurements are collected in the two charts above. As you can see, the run-out was less for the rounds which were rotated during seating. Note, the change is pretty small (less than .001″ on average), but every little bit helps in the accuracy game. If you use a threaded (screw-in) seating die, you might try this two-stage bullet-seating method. Rotating your case in the middle of the seating process won’t cost you a penny, and it just might produce straighter ammo (nothing is guaranteed). If you do NOT see any improvement on the target, you can always go back to seating your bullets in one pass. READ Forum Thread….
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Randy Robinett, founder of BIB Bullets, is a highly respected custom bullet-maker. In recent years, Randy’s 30-caliber projectiles have won countless benchrest-for-score matches, and captured many National titles. If you want to “run with the big dogs” in score competition, campaigning a 30BR with BIB bullets is a very smart way to go. In this article, Randy talks about the process of creating highly uniform cores for benchrest bullets.
This article originally started as an exchange of posts in Stan Ware’s Bench-Talk Forum. Stan, a gifted gunsmith, converted the Forum posts into an article, which first appeared on Stan’s Bench-Talk.com Website.
How to Make Benchrest-Quality Bullet Cores by Randy Robinett, BIB Bullets
OK, Stan “made me do it”! A while back, Stan Ware asked if I’d submit a ditty on bullet-making. Here is the “picture is worth a few words” version. Below is a photo of a spool of lead wire. This is the first step in making benchrest-quality bullets. This spool of .250″ diameter lead wire will be cut into approximately 130 pieces, each about thirty inches long.
The Core Cutter
Here’s a really neat machine built by my Uncle and BIG MIKE. This is the core cutter. We made it using scrap steel and borrowed the crank shaft out of a 1966 Yamaha motorcycle to get the desired reciprocating-motion slide. When properly “juiced”, this machine can cut more than 3000 cores per hour.
As you doubtless deduced, the “sticks” are inserted, then fed via gravity — straightness is a virtue here! The crank, for now, is powered by the human hand. The bucket contents are the result of loading the cutter and turning the crank wheel. This photo shows cores for 112 grain, .30-caliber bullets. There are about 2500 cores to the bucket.
Here’s a close-up of the business end of the core cutter. Using recorded micrometer settings, this clever design allows us to get very repeatable length when changing through the length/weight cycle.
The photo below provides a closer look at the just-cut cores. Note the relatively clean shanks and square, unflared ends. This bucket contains roughly 2500 cores. By contrast, a tour of the Hornady plant will reveal cores being cut and squirted via a single operation, and deposited into 50-100 gallon livestock watering tanks!
Upon my first tour of a commercial plant, I lost all feelings of guilt about the cost of custom, hand-made bullets. When one totals the amount of labor, “feel” and “culling” that goes into them, custom hand-made bullets represent one of the best bargains on the planet!
At Hornady, each press produces 50-55,000 finished bullets per 10-hour shift. By contrast, a maker of hand-crafted bullets, at best, may make 3% of that number during a 10-hour span! Yep, hand-made benchrest-quality bullets are a labor of love and should be purchased with these criteria in mind: 1) QUALITY; 2) availability; 3) price. There is no reason for a maker of hand-made benchrest-quality bullets to negotiate on price. His time is worth what one receives from the bargain!
Core-Making Q & A Randy’s original Bench-Talk Forum posts inspired some questions by Forum members. Here are Randy’s answers to spedific questions about core-making.
Question by Stan Ware: Randy, a post or two back you said the cores were cut into 30″ lengths first and straightened. Why do you cut to 30″ lengths? What is the reason for this?
Answer by Randy: Stan, the wire is cut into 30″ lengths (sticks) and then straightened, following which it is fed into the core cutter and cut into the individual individual “cores”. If you look at the core cutter photo above, you’ll see a stick of lead wire sticking up -it’s toward the right hand end of the contraption. The cut cores are also “ejected” by gravity — the white “tickler” brushes the cores as the slide moves forward and dislodges the core from the cutter bushing.
Q by GregP: Randy, How do you straighten the 30″ sticks? Roll them between metal plates?
Answer by Randy: Greg, BIG MIKE may kill me for letting out the secret. WE “roll” the wire between an aluminum plate, which is equipped with handles, and the “plate” which you can see in the pic of cutting the wire. The straightening is really a drag. Eventually, we will have the new cutter hooked up to a “feeder/straightener” and the wire will be cut into core slugs right off the roll! Well, that’s the Dream….
Question by Jim Saubier: How much of a nub do you use at the end of the 30″ section? I imagine that every section you will lose a little from the feed end. Your cutter looks real slick, we are using the manual deal and it isn’t quick by any means.
Answer by Randy: Jim, Since I cut all of the sticks using diagonal-cutting pliers, the ends are, indeed, waste. However, only about 1/8th inch on the beginning end — the final core may be too short. I have attached a pic of my old reliable CH cutter. I still use this cutter for .22-cal and 6mm cores and, occasionally, an odd lot of thirties. The CH cuts very square ends which are free of bulges and/or flaring.
Stan Ware Retires
Stan Ware has announced that he is retiring effective September 1, 2014. We are sad to see Stan hang up his tools. He was superbly capable smith who also always delivered the highest level of personal service to his customers. We worked with Stan on a couple projects and we have the highest regard for his skills, professionalism, and his dedication to doing the job right… the first time. We’re sorry to see Stan close shop at SGR Custom Rifles, but we wish him well in retirement and we hope he will enjoy his years of freedom with his friends and family members. Stan wants to thank all his customers: “The one thing I have found out in thirty-one years working for gun enthusiasts is that the are the finest people in the world to work for, and I mean that from the bottom of my heart.”
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For years, many shooters have coated bullets with Moly (molybdenum disulfide) or Danzac (tungsten disulfide or “WS2″). The idea was to reduce friction between bullets and barrel. In theory, this could lengthen barrel life and extend the number of rounds a shooter can fire between cleanings.
Moly and WS2 both have their fans, but in the last couple of years, some guys have switched to Hexagonal Boron Nitride (HBN), another dry lubricant. The advantage of HBN is that it won’t combine with moisture to create harmful acids. HBN is very slippery and it goes on clear, so it doesn’t leave a dirty mess on your hands or loading bench. Typically, HBN is applied via impact plating (tumbling), just as with Moly.
HBN Results — Both on Bullets and Barrel Bores
Many folks have asked, “Does Hexagonal Boron Nitride really work?” You’ll find answers to that and many other questions on gunsmith Stan Ware’s popular Bench-Talk.com Blog. There Paul Becigneul (aka Pbike) gives a detailed run-down on HBN use, comparing it to other friction-reducers. Paul also discusses the use of HBN in suspension to pre-coat the inside of barrels. Paul observes:
We coated our bullets … how we had been coating with WS2. Now our bullets have a slightly white sheen to them with kind of like a pearl coat. They are so slippery it takes a little practice to pick them up and not drop them on the trailer floor. What have we noticed down range? Nothing different from WS2 other than the black ring on your target around the bullet hole is now white or nonexistent. Our barrels clean just as clean as with WS2. Your hands aren’t black at the end of the day of shooting and that might be the most important part.
Interestingly, Becigneul decided to try a solution of HBN in alcohol, to pre-coat the inside of barrels. Paul had previously used a compound called Penephite to coat the inside of his barrels after cleaning. Paul explains:
If Penephite was used because it was slippery wouldn’t HBN be better? … We called Jon Leist again, and talked to him about mixing HBN and 90% alcohol for a suspension agent to pre-lube our barrels. He though it sounded great but that the AC6111 Grade HBN would be better for this use. It would stand up in the alcohol suspension and cling to the barrel when passed through on a patch. We got some from Jonn and mixed it in alcohol 90%. We use about one teaspoon in 16 ounces of alcohol.
We started using it this fall and what we have noticed is that now that first shot fired out of a clean and pre-lubed barrel can be trusted as the true impact point. We use tuners so now I got to the line, fire two shots judge my group for vertical, adjust the tuner as needed or not, and after tune has been achieved go to my record targets. This use has saved us in time at the bench and bullets in the backstop.
You really should read the whole article by Becigneul. He discusses the use of barrel lubes such as Penephite and “Lock-Ease” in some detail. Paul also provides links to HBN vendors and to the Material Safety Data Sheets (MSDS) for the various compounds he tested.
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While Varget and Reloder 15 remain in short supply, you can often find IMR 4320 powder back in the shelves of local gun stores. IMR describes IMR 4320 as follows: “Short granulation, easy metering, and perfect for the 223 Remington, 22-250 Remington, 250 Savage and other medium burn rate cartridges.” This older-generation powder is more temp sensitive than the Hodgdon Extreme propellants, but in the right application, it looks to be a viable alternative for folks who can’t source Varget, Reloder 15, and even H4895.
IMR 4320 Shoots Well in the .308 Winchester
A while back, German Salazar wrote an excellent Riflemans Journal article, IMR 4320 — the Forgotten Powder. German developed IMR 4320 loads for his .308 Win Palma rifle and competed with IMR 4320-powered ammo at long range matches. German concluded that: “[IMR 4320] appears to be a very useful alternative to some of the harder-to-get powders. The load is working extremely well at 1000 yards. In the  Arizona Palma State Championship, several high placing competitors were using the 4320 load. We got sub X-Ring elevation at 1000 yards from several rifles, and that’s all I’m looking for in a Palma load.”
IMR 4320 Works for Dasher Shooter
Forum member FalconPilot shoots a 6mm Dasher with Berger 105gr Hybrids. Looking for an alternative to Varget, he decided to give IMR 4320 a try. The results were good. FalconPilot reports: “I’ve been looking for other options (besides Reloder 15, which I love, but it’s really dirty). While at a gun shop in Ohio, I ran across 8 pounds of IMR 4320. I had never even heard of it, much less tried it. Getting ready for upcoming mid-range shoots, I loaded five rounds with IMR 4320 to the exact same specs as my winning Varget loads for the 6mm Dasher. This recipe was 32.7 grains of powder, Wolf SMR primer, Berger Hybrid 105 jumped fifty thousandths.” Falcon pilot tested his IMR 4320 load at 600 yards:
As you can see from the photo, FalconPilot had good results — a 1.5″ group at 600 yards. He reports: “This group was shoot during the middle of the day, mirage bad, scope set to 25X. It looks like IMR 4320 is a [very close] replacement for Varget… with a tad bit slower burn rate.” FalconPilot tell us the accuracy with IMR 4320 rivals the best he has gotten with Varget: “This gun has always shot under 2 inches [for 5 shots] at 600 yards, and most of time shoots 1.5 to 1.7 inches.”
For comparison purposes, here are Heat of Explosion and Burn Rate values from QuickLOAD for IMR 4320, and for the popular Reloder 15 and Varget powders. You can see that these powders have similar characteristics “by the numbers”:
Heat of Explosion
Burning Rate Factor
WARNING — When changing from one powder to another, always start with manufacturer’s stated load data. Start low and work up incrementally. Never assume that loads will be equivalent from one powder to another, even powders with similar burn rates.
What Other Forum Members Say:
I was using IMR 4320 in the mid 70s in my .222 Rem. Darned great powder and I never had a load that was not accurate from the .222 to .30-06 with that powder. — 5Spd
A fine powder overshadowed by the nouveau wave of “gotta have the newest — make me a better shot” powders. Try 4320 in a 22-250 — what a well-kept secret! IMR 4320 meters very well and is a flexible alternative to many of the hard-to-find powders so much in demand. — AreaOne
IMR 4320 was my “go to” powder in my .223 for many many years. This powder and Winchester 55gr soft point bulk bullets (the cheapest bullet I could buy at the time) accounted for thousands of prairie dogs, coyotes, and anything else that needed shooting. I still use IMR 4320 in some .223 loads and am very happy with it still. — pdog2062
I’ve been using it in a .308 Win for several years. I think it is very sensitive to temperature and always waited till the last minute to load my ammo with a close eye on the weekend forecast at the range. IMR 4320 Works pretty good for 155gr Palma and 168gr Hybrid [bullets] in my .308. — JayC
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Forum member Alex W. (aka “zfastmalibu”) came up with a clever adaptation of an item you may already have on your kitchen counter. By drilling a few strategically-placed holes in a wood knife-holding block, Alex created a handy, 20-round ammo holder for the bench. We’re not sure the wife will appreciate the new holes in her kitchen accessory, but we think this is a smart invention. Alex asked fellow Forum members: “What do you think, is there a market for it?” We think there is. Of course, with a ruler and an electric drill you could probably make your own version easily enough.
Get a Solid Wood Knife Block for under $20.00 Beechwood Knife blocks can be purchase for just $19.99 through Amazon.com. They are also available in solid walnut wood ($29.99), cherry wood ($29.99), and Bamboo wood ($29.99).
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For centerfire ammo, you can choose from dozens of flip-top boxes, storage bins, or milsurp-style ammo cans. For rimfire ammo, there are not so many good choices. Our preferred rimfire ammo carrier is the MTM SB-200 Small-Bore Fitted Ammo Box. This flip-top plastic box holds 100 rimfire rounds in 10×5 black grids on the left and right. In the center is a storage area that will hold another 100 rounds in factory boxes. MTM’s SB-200 box was recently re-designed so it will now hold 17 HMR rounds, as well as 17 Mach 2, 22 short, 22 Win Mag Rimfire, and of course 22 Long Rifle (.22LR)
MTM Case-Gard 200 Round Smallbore Box
This is really the only product of its kind on the market. It allows you to conveniently and securely hold 200 rimfire rounds, and also segregate your ammo by brand or bullet type. These boxes fit all types of popular rimfire ammunition. The vertical clearance of the lid is sufficient to hold the longer .22 WMR Rounds, and 17 HMR (as well as .22 LR naturally). The lid fits securely so you don’t have to worry about your rimfire ammo spilling out on the way to the range.
If you don’t have one of these boxes yet, we recommend you order one or two. They cost less than $15.00 and are available in Blue or “Rust” (a brick color).
How would you like to have the entire collection of Sierra rifle and pistol bullets at your fingertips, complete with bullet Ballistic Coefficients (BCs) and parts numbers? Well we’ve got you covered. Sierra publishes a handy PDF chart that displays all of Sierra’s popular projectiles, from .20 caliber all the way up to .50 caliber. CLICK HERE to download Sierra Bullets Chart.
CLICK Image to Download PDF Chart with All Sierra Bullet Types (2 MB file)
Detail Sample from Chart
Order Free Sierra Catalog
You can also get a free, hard copy poster with all Sierra’s bullet types. The current Sierra Bullets catalog has a printed insert that folds out into a large poster for your loading room or workshop. To order the current Sierra Catalog (with fold-out poster), visit Sierra’s Catalog Request Page.
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“Where are the bullets, where is the powder?” (ad infinitum) is what you hear from shooters around the country these days. Well we can’t promise more powder, but Sierra Bullets has invested in machinery that should help increase bullet output. Sierra has acquired a 550-ton rated extrusion press that should pump out lead wire faster (for bullet cores). Sierra tells us: “This is a lead extrusion press we had shipped in from the state of Washington. We are diligently working on getting this thing set up and pumping more lead into our process.”
If you’re curious how this beast works, Alan Slocum posted an explanation: “It works kinda’ like this”, referring to the photo below. Sierra’s big machine uses a horizontal hydraulic ram instead of the push-down yellow Play-Doh lever, but yes the basic principle is the same.
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Quality .30-caliber bullets aren’t cheap. But here’s a deal that should make you take notice. Midsouth Shooters Supply has major-maker 175gr HPBT bullets in 500-count lots for just $99.01. That’s right, ninety-nine bucks for FIVE hundred 175-grainers from one of USA’s leading bullet makers. (Clever boys can probably figure out the source).
If you need match-grade .30-caliber bullets for your F-TR or tactical rifle, this is a very good deal — you’re effectively paying just $19.08 per hundred. We haven’t seen these kind of prices on .30-caliber bullets in a long time. If you’re interested, act soon — quantities are limited.
NOTE: These over-run bullets are also listed as OEM blem. That means there may be some cosmetic flaws, such as water spots or discoloration. But they should shoot fine.
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Berger Bullets is now in the ammo business, offering high-quality, loaded ammunition for competition, hunting, and tactical applications. Berger will sell ammo through its new company, Applied Ballistics Munitions (aka “ABM” or “ABM Ammo”). See ABM’s ammunition offerings at www.abmammo.com.
ABM Ammo will offer precision rifle ammunition for three popular cartridge types: .308 Winchester, .300 Winchester Magnum, and .338 Lapua Magnum. There are three product lines. The “Mission Ready” line is designed for military and tactical use. In addition, ABM will offer “Hunt Ready” ammo for precision hunters and “Match Ready” ammunition for target shooters.
Each product line is loaded with the Berger bullet that best fits a given application. Each of the bullets used have been proven performers among the hand loading community for years and in some cases, decades. The chart below shows the current bullet selections for each of the three product lines:
ABM Ammo Components are Tested Lot by Lot
ABM uses high quality components and tooling to produce the most consistent ammunition possible. In a process developed by ballistics expert Bryan Litz, ABM ammo has been engineered and tested in the Applied Ballistics laboratory. ABM actually tests each individual lot of components used in the loaded cartridges to ensure quality and consistency.
Eric Stecker, President of Applied Ballistics Munitions relays, “Launching an ammunition company in today’s firearm market environment has been a challenging experience. The product will speak for itself among the shooters as to why it is so important that we pursue this effort.” To learn more about Applied Ballistics Munitions, visit www.abmammo.com.
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